All Alemite thread forming fittings are dyed yellow for identification purposes. They are most effectively installed by spinning into the untapped hole but they also may be driven s. Thread forming fittings have special tapered drive threads to reshape...

Drive-in grease fitting with straight head and barbed end for avoiding tapping of line. Nickel-copper alloy and zinc-plated for resistance to corrosion. Ball check valve for keeping out contaminants. 1/4" length, 5/16" diameter serrated shank for secure...